#include<stdio.h>
int main()
{
	int a;
	scanf("%d",&a);
	switch(a){
		case 1:
		    printf("Monday");
		    break;
		case 2:
		    printf("Tuesday");
		    break;
		case 3:
		    printf("Wednesday");
		    break;
		case 4:
		    printf("Thursday");
		    break;
		case 5:
		    printf("Friday");
		    break;
		case 6:
		    printf("Saturday");
		    break;
		case 7:
		    printf("Sunday");
		    break;
		default:
		printf("please enter a number between 1 and 7.");
	}
}